Metal-treating compound and method of making same



Patented Feb. 14, 1928.

UNITED STATES PATEHN-T OFFICE.

MILTON L. MOYER, or SOUDERTON, P NNSYLVANIA, ASSIGNOR, BY nmEcT Am) MESNE ASSIGNMENTS, T MILTON L. MOYER,

STOUGHTON. JOINT TRUSTEES.

METALTREATING oomromvn AND METHOD or Maxine SAME.

No Drawing.

This invention relates to metal treating and includes a process of treating metals, a compound for use in such treatment and a process of making such compound.

The general object of the invention is to produce the compound and the resulting treated metal, and to disclose the method of. preparation of the compound, as'well as the method by which it is used in treating metal.

The .present invention is designed particularly. to be used in connection with iron, to improve the general qualities of the iron.

One of the more particular objects of the invention is to produce a compound found 15, to be particularly useful in increasing the toughness of iron and rendering the iron extremely hard upon suitable tempering.

Another object of the invention is to disclose a method of making the compound and using it in connection with the treatment of iron.

Other objects and features of the invention will more fully appear .from the following description ai1d will be particularly g5 pointed out in the claims.

There are many possible embodiments of the invention. For purposes of illustration .it is deemed necessary to disclose only one such embodiment. which has been found to give excellent results. It is to be understood however, that the preferred embodiment hereinafter disclosed is illustrative only and typical of many possible embodiments.

5 The preferred compound as used at present comprises soap, eight ounces s erm oil, two ounces a um, one-half ounce mercury bichloride, one-quarter ounce zinc sulfate, one-quarter ounce litharge, one-eighth to one-quarter ounce carbon, one-eighth to one-quarter ounce.

Any suitable form or equivalent of these ingredients may be used. For instance, the soap used is preferably the ordinary yellow soap which is readily obtainable and relativelytcheap. vIn place of the sperm oil its 5 equivalent, spermaceti wax, may be-used. Lead sulfate may .be used in place of the litharge with fair success, although litharge is preferable. Many forms of carbon, such until cool, when'it will Application filedOctober 9, 1925. Serial No. 61,568.

as charcoal, or even brown sugar, may be used. In making the compound, the soap is pref erably first melted and then the oil or its equivalent in wax is stirred in until a homogeneousmass is obtained; The mixture of the soap and oil or wax provides a fatty substance which may for convenience be termed the base of the compound. After the soap and oil are mixed, the remainder of the ingredients are added. These may be added separately or together, but preferably the dry materials such as the alum, zinc sulfate, mercury bichloride, and litharge, are first thoroughly pulverized and mixed by themselves, and then added to the fatty substance in small quantities, while the mass is EDWIN J'.. PRINDLE, AND BRADLEY stirred so that all of the ingredients are thoroughly incorporated. If the carbon used is charcoal, or other dry substance, it may be mixed with the litharge and pulverized and incorporated with the other ingredients, but if the carbon be in the form of brown sugar, which at times is somewhat sticky, it

corporated. When all the ingredients have been put together and the mass sufficiently agitated so that the ingredients are thoroughly incorporated it is ermitted to stand e found to. have a consistency similar to that of soft putty. It will be appreciated that the consistency of the mixture may be controlled somewhat by using a soft soap in conjunction with sperm-011 if'a soft compound is desired and using a harder soap in conjunction with spermaceti wax if a harder compound is desired. I I Iron or steel may be treated with the compound in any suitable and convenient manthey. are left in the compound until thor oughly cool. It has been found that the ner. As an example of the treatment of longer they remain in the compound, the I reater are the beneficial eifects derived thoroughly cool, it is found that the drill-- has greater' toughness and upon suitable tempering later will be extremely hard. Experiments with small bars of iron have developed the fact that if two sections of iron are cut from the same bar and one of them is treated as above described, and then each bar twisted to the breaking point, the untreated bar will break at a distance from the point at which the bar is gripped while the treated bar will stand twice as many turns as the untreated bar and then break at the point where the gripping tool started the shearing of thetbar. above described do not break under a twisting force until the have been twisted through a considerab e angle.

After'the iron articles, such as the above described drills, have been heated to a straw .color and then allowed to cool in the compound they may be tempered as desired and it has been found that iron tempered, after being treated, is much harder than the iron obtained from the best methods of tempering now known. Drills tempered after being treated with the comound, by heating to a cherry redand then drawing the tem er by water or kerosene have been foun to be. extremely hard. Drawing the tem er with kerosene apparently makes the rills harder than if the temper is drawn with water. I

From the foregoing description of the compound, the processes of making and using it and the description of its advantageous effects on iron, it will be seen that applicant has disclosed an invention of large importance which represents a distinct advance in the art. Althou h a particular and preferred form of ma ing and using,

the invention has been disclosed, it is desired that these be taken as illustrative merely and that the invention be construed as broadly as the limitations in the claims, taken in conjunction with the prior art may allow.

I claim:

1. A metal treatin compound including a fatty substance, a ichloride, and a sulphur containing substance.

2. A metal treating compound including- Drills treated as' a mercury salt and a zinc salt.

6. A metal treating compound including a metal bichloride and a metal sulfate.

7. A metal treating compound including mercury bichloride and zinc sulfate.

8-. A metal treating compound including a fatty substance, a mercury salt and a zinc sa t.

9. A metal treating compound including a fatty substance, a metal bichloride, and a metal sulfate.

.10. A metal treating com ound including a fatty substance, mercury ichloride and a zinc sulfate.

11. A metal treating compound including a fatty substance, a mercury salt, a zinc salt, and alum.

12. A metal treating compound including a mercury salt, a Zinc salt and alum.

13. A metal treating compound comprising soap, sperm oil, alum, mercury bich oride, zinc sulfate, litharge and carbon. 14. A metal-treating compound comprismg soap, eight ounces s erm 011, two ounces a um, one-half ounce mercury bichloride, one-quarter ounce 'zinc sulfate, one-quarter ounce gether heated soap and oil and then adding a mercury salt and a zinc salt.

16. The processof making a metal treating compound which comprises mixing toether heated soap and oil' and then stirring in a metal bichloride and a metal sulfate.

17. The process of making a metal treat ing compound which comprises mixing soap,

adding oil to the mixed.soap, while thor- MILTON L. MOYER. 

